Folding mobile telephone apparatus

ABSTRACT

The subject of the present invention is to prevent an influence of a radiation noise generated in the image processing upon the transmission/reception of the radio communicating unit in a folding cellular phone device equipped with a camera. A radio communicating unit, an overall controlling unit, and a first storing unit are provided to a first casing, and a camera portion, an image processing controlling unit, a displaying unit, and a second storing unit are provided to a second casing, and then processing of image data picked up by the camera portion is controlled by the image processing controlling unit. Thus, the image data never communicate between the first casing and the second casing. Also, the image data are transferred from the second storing unit in the second casing to the first storing unit in the first casing when the radio communication is not carried out, and the image data are transmitted via a radio after the transfer. Thus, the electromagnetic wave is never radiated from the flexible board that connects the first casing and the second casing.

TECHNICAL FIELD

The present invention relates to a folding cellular phone device intowhich a camera using a solid state imaging device such as a CCD camera,a CMOS camera, or the like is incorporated.

BACKGROUND ART

Recently the CCD camera, the CMOS camera, or the like makes progress inminiaturization, and the cellular phone device with a camera into whichsuch camera is incorporated as a camera portion is put into practicaluse. However, when the camera portion and an image processing unit thatexecutes the massive image processing at a high speed are added to aconfiguration of the folding cellular phone device, the radiation noiseis radiated from the cable that transmits image data. Thus, the biterror and the frame error are increased in the received data of theradio communicating unit in the cellular phone device.

Therefore, such an approach is employed that a generation source of anelectromagnetic wave is surrounded by an electromagnetic shielding framemember to prevent the electromagnetic wave from reaching the electroniccircuit board from the generation source of the electromagnetic wave(for example, Patent Literature 1). In this case, in the foldingcellular phone device, there existed the problem such that the flexibleboard for connecting a first casing and a second casing that isopened/closed cannot be sufficiently surrounded by the electromagneticshielding frame member.

FIG. 7 is an external appearance view of a folding cellular phone device100 in the prior art. This folding cellular phone device 100 supports asecond casing 23 on a first casing 22 to be opened/closed on a hinge 21.A key operating portion 17 and a microphone 221 serving as a mouthpieceare provided to the first casing 22. A displaying unit 201, a cameraportion 24, and a receiver 222 serving as an earpiece are provided tothe second casing 23.

A schematic block diagram of the folding cellular phone device 100 inthe prior art is shown in FIG. 8. In FIG. 8, the first casing 22 and thesecond casing 23 are indicated by a broken line. A receiver portion 191,a transmitter portion 192, and a radio controlling unit 190 are providedto the first casing 22, and an antenna 193 is projected from the firstcasing 22. The receiver portion 191 and the transmitter portion 192receive/transmit the radio signal via the antenna 193 the under controlof the radio controlling unit 190 to execute a radio communication withother cellular phone device vi a base station (not shown). The radiocontrolling unit 190 is connected to a sound processing portion 220 toconvert the received signal into a sound signal and output it to thereceiver 222. Also, the sound processing portion 220 encodes the soundbeing input into the microphone 221 and sends out the sound signal viathe radio controlling unit 190, the transmitter portion 192, and theantenna 193. The receiver portion 191, the transmitter portion 192, andthe radio controlling unit 190 constituting a radio communicating unit19 are surrounded and shielded by an electromagnetic shielding framemember 260 to prevent the influence of the electromagnetic wave radiatedfrom other portions. The radio controlling unit 190 is connected to aoverall controlling unit 18 that executes the overall control of thefolding cellular phone device 100. The key operating portion 17 and astoring unit 25 are connected to the overall controlling unit 18. Theoperator of the folding cellular phone device 100 inputs desired signalssuch as a phone number, and the like via key operating portion 17 to usethe folding cellular phone device 100. The storing unit 25 stores phonenumber data in an electronic phone book, control programs, control data,and image data picked up by the camera portion 24.

The camera portion 24 composed of the CCD camera or the CMOS camera, thedisplaying unit 201 composed of the color liquid crystal display device,and the receiver 222 are provided to the second casing 23. The cameraportion 24 and the displaying unit 201 are surrounded by anelectromagnetic shielding frame member 270 not to radiate theelectromagnetic wave. The camera portion 24, the displaying unit 201,and the receiver 222 are connected to the overall controlling unit 18 orthe sound processing portion 220 in the first casing 22 via the flexibleboard that permits the folding operation. In this case, since anopening/shutting range of almost 180 degree is required of a foldableportion at which the flexible board is folded up, it is difficult tosurround such portion by the electromagnetic shielding frame member. Asa result, such portion was not surrounded by the electromagneticshielding frame member.

In the folding cellular phone device 100 in the prior art, the overallcontrolling unit 18 also controls the camera portion 24 and thedisplaying unit 201. When a camera mode starting signal is input intothe key operating portion 17, the overall controlling unit 18 supplies apower to the camera portion 24 from a rechargeable battery (not shown)and starts an operation in the camera mode. Here, the camera modesignifies an operation mode in which a power is supplied to the cameraportion 24, the image data being now picked up by the camera portion 24are processed by the overall controlling unit 18, the monitor image isdisplayed on the displaying unit 201, the image data obtained when theshutter button is pressed is captured on the overall controlling unit 18when the shutter button of the key operating portion 17 is pressedduring the display of the monitor image, the image data that aresubjected to the image processing are stored in the storing unit 25, andthe stored image is displayed on the displaying unit 201 as thepicked-up image.

Since the image data are transferred between the camera portion 24 andthe overall controlling unit 18 and between the overall controlling unit18 and the displaying unit 201 during the operation in the camera mode,the electromagnetic wave is radiated from the flexible board that is notsurrounded by the electromagnetic shielding frame member. Also, whenprocesses of reading the image data from the storing unit 25 to display,then processing the data, and then storing the data again in the storingunit 25 are carried out in modes other than the operation in the cameramode, the image data communicate between the overall controlling unit 18and the displaying unit 201. Thus, the electromagnetic wave is radiatedfrom the flexible board that is not covered with the electromagneticshielding frame member.

(Patent Literature 1) JP-A-2001-320622 (Page 4, FIG. 4)

The approach of surrounding the generation source of the electromagneticwave by the electromagnetic shielding frame member is effective in theso-called straight-type cellular phone device, in which the electroniccircuit board and the electronic parts are incorporated into a singlecasing, since the electronic circuit board, the electronic parts, andcables used to connect them can be surrounded by the electromagneticshielding frame member. However, as described above, in the foldingcellular phone device, there existed the problem such that theopening/shutting portion cannot be surrounded by the electromagneticshielding frame member and thus the electromagnetic wave cannot besufficiently shielded.

It is an object of the present invention to provide a folding cellularphone device constructed such that an electromagnetic wave acting as thenoise is not radiated from an opening/shutting portion.

DISCLOSURE OF THE INVENTION

In order to overcome the above problem, in the present invention, theradio communicating unit and the overall controlling unit are providedto the first casing, and the camera portion, the image processingcontrolling unit, the displaying unit, and the storing unit are providedto the second casing, and the image data picked up by the camera portionare processed by the image processing controlling unit.

According to the above configuration, there can be achieved such anadvantage that, even though the image data are being processed, suchimage data never communicate between the first casing and the secondcasing and thus the electromagnetic wave is never radiated from theflexible board that connects the first casing and the second casing.

Also, in the present invention, the first storing unit is provided tothe first casing, the second storing unit is provided to the secondcasing, the data necessary for the radio communication are transferredbetween the first-storing unit and the second storing unit when theradio communication is not carried out, and the radio communication isexecuted by reading the necessary data from the first storing unit whenthe radio communication is carried out.

According to this, there can be achieved such an advantage that, eventhough the radio communication with the image data is being executed,such image data never communicate between the first casing and thesecond casing and thus the generation of the electromagnetic wave can bereduced.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic block diagram of a folding cellular phone deviceaccording to a first embodiment of the present invention;

FIG. 2 is a schematic sectional view of the folding cellular phonedevice according to the first embodiment of the present invention;

FIG. 3 is a transition diagram showing display contents on a displayingunit of the folding cellular phone device according to the firstembodiment of the present invention;

FIG. 4 is a flowchart showing control operations of the folding cellularphone device according to the first embodiment of the present invention;

FIG. 5 is a schematic block diagram of a folding cellular phone deviceaccording to a second embodiment of the present invention;

FIG. 6 is a flowchart showing control operations of the folding cellularphone device according to a second embodiment of the present invention;

FIG. 7 is an external appearance view of a folding cellular phone devicein the prior art; and

FIG. 8 is a schematic block diagram of the folding cellular phone devicein the prior art.

In Figures, a reference symbol 16 is a flexible board, 17 key operatingportion, 18 overall controlling unit, 19 radio communicating unit, 22first casing, 23 second casing, 24 camera portion, 25 storing unit, 190radio controlling unit, 191 receiver portion, 192 transmitter portion,193 antenna, 201 displaying unit, 220 sound processing portion, 260electromagnetic shielding frame member, 221 microphone, 222 receiver,241 image processing controlling unit, 251 first storing unit, 252second storing unit, 270 electromagnetic shielding frame member, and 280electromagnetic shielding frame member.

BEST MODE FOR CARRYING OUT THE INVENTION

The present invention employs such a configuration of a folding cellularphone device, in which a second casing is supported on a first casing tobe opened/closed, that a radio communicating unit and an overallcontrolling unit are provided to the first casing, a camera portion, animage processing controlling unit, a displaying unit, and a storing unitare provided to the second casing, the image processing controlling unitand the storing unit are connected to the overall controlling unit, thecamera portion, the displaying unit, and the storing unit are connectedto the image processing controlling unit, and image data picked up bythe camera portion are processed by the image processing controllingunit.

According to this configuration, the processing of the image data pickedup by the camera portion is performed only in the second casing.Therefore, the radio communicating unit in the first casing is by nounit affected by the electromagnetic wave.

Also, the present invention employs such a configuration of a foldingcellular phone device, in which a second casing is supported on a firstcasing to be opened/closed, that a radio communicating unit, an overallcontrolling unit, and a first storing unit are provided to the firstcasing, a camera portion, an image processing controlling unit, adisplaying unit, and a second storing unit are provided to the secondcasing, the image processing controlling unit, the first storing unit,and the second storing unit are connected to the overall controllingunit, the camera portion, the displaying unit, and the second storingunit are connected to the image processing controlling unit, and imagedata picked up by the camera portion are processed by the imageprocessing controlling unit.

According to this configuration, the radiation noise generated by theimage data processing executed in the second casing does not have theinfluence upon the radio communicating unit provided to the firstcasing.

In addition, the present invention employs such a configuration thatdata necessary for a radio communication are transferred between thefirst storing unit and the second storing unit when the radiocommunication is not carried out, and the radio communication isexecuted by reading necessary data from the first storing unit when theradio communication is carried out.

According to this configuration, even when the radio communicationcontaining the image data is executed, the image data do not communicatebetween the first casing and the second casing.

Embodiments of the present invention will be explained with reference tothe drawings hereinafter.

Embodiment 1

FIG. 1 is a schematic block diagram of a folding cellular phone device200 according to a first embodiment of the present invention. Since aconfiguration of the folding cellular phone device 200 is basicallysimilar to that of the folding cellular phone device 100 in the priorart explained in FIG. 8, the same reference numerals are affixed to thecommon portions and their explanation will be omitted herein.

In FIG. 1, the storing unit 25 is not provided to the first casing 22but to the second casing 23. Then, an image processing controlling unit241 is provided to the second casing 23 and is connected to the cameraportion 24, the displaying unit 201, and the storing unit 25. The imageprocessing controlling unit 241 constitutes one camera module togetherwith the camera portion 24, the displaying unit 201, and the storingunit 25 and executes a series of operations in the camera mode. Also,even when the image processing controlling unit 241 is not executing theoperation in the camera mode, such unit executes mainly the searchcontrol of the electronic phone book, the control in connection with theimage display such as the standby screen, the call-incoming screen, etc.in the second casing 23 under overall control of the overall controllingunit 18. Also, the camera portion 24, the image processing controllingunit 241, the displaying unit 201, and the storing unit 25 are coveredwith an electromagnetic shielding frame member 280 to shield.

FIG. 2 is a schematic sectional view of the folding cellular phonedevice 200 according to the first embodiment of the present invention.In FIG. 2, in the folding cellular phone device 200, a casing consistsof the first casing 22 and the second casing 23. The hinge 21 isprovided to an arm of the first casing 22, and the second casing 23 issupported to be opened/closed on the hinge 21. A main body board 15 isprovided to the first casing 22. The above overall controlling unit 18,the radio communicating unit 19 consisting of the receiver portion 191,the transmitter portion 192, and the radio controlling unit 190, themicrophone 221 serving as the mouthpiece, and the key operating portion17 such as the ten key, etc. are mounted on the main body board 15. Inparticular, the portion of the main body board 15 on which the radiocommunicating unit 19 is mounted is covered with the box-typeelectromagnetic shielding frame member 260, on which the metallic orconductive material is coated, and sealed by the same.

In the second casing 23, the camera portion 24, the image processingcontrolling unit 241, the storing unit 25, and the displaying unit 201composed of the color liquid crystal display device are covered with theelectromagnetic shielding frame member 280 as one camera module 250 andare sealed by the same. Also, the receiver 222 serving as the earpieceis provided in the second casing 23. The receiver 222 and the abovecamera module 250 are connected to a flexible board 16 whose top endsare branched. Then, the other end of the flexible board 16 is connectedto the main body board 15 in the first casing 22 and is connected to theoverall controlling unit 18 on the main body board 15 or the soundprocessing portion 220. In this manner, the radio communicating unit 19and the camera module 250 are shield separately by the electromagneticshielding frame member 260 or the electromagnetic shielding frame member280 and are incorporated into separate casings.

When the camera mode starting button (not shown) on the key operatingportion 17 is pressed and thus the camera mode starting signal is input,the overall controlling unit 18 sends out the instruction signal to theimage processing controlling unit 241 to start the operation in thecamera mode. The image processing controlling unit 241 causes the cameraportion to turn ON the power supply, causes the camera portion to pickup the image, and causes the displaying unit 201 to display the monitorimage that was subjected to the image processing. Then, when the shutterbutton (not shown) on the key operating portion 17 is released, theimage data picked up by the camera portion 24 are stored in the storingunit 25 and then the stored image is displayed as the picked-up image onthe displaying unit 210. In this manner, in the operation in the cameramode, the signal being input via the key operating portion 17 is sentout to the image processing controlling unit 241 from the overallcontrolling unit 18 in the first casing 22, but the image data picked upby the camera portion 24 are processed in the second casing 23. Sincethe image data do not communicate through the flexible board 16 thatconnects the first casing 22 and the second casing 23, theelectromagnetic wave generated in the image processing is not radiatedfrom the flexible board 16.

Next, a measure taken to prevent the radiation of the electromagneticwave from the flexible board 16 which connects the first casing 22 andthe second casing 23, even when the folding cellular phone device 200 ofthe present invention is processing the image data as the operationother than the camera mode will be explained hereunder. By way ofexample, the operation to make the phone call by using the electronicphone book containing the image data that are stored in connection withthe phone numbers will be explained hereunder.

FIG. 3 is a transition diagram showing display contents on thedisplaying unit 201 of the folding cellular phone device 200 of thepresent invention when the destination is searched by using theelectronic phone book containing the image data and the phone call ismade. First, icons 301 such as a house, a building, and the like andgroup names 302 such as a family, company relations, friends, and thelike, for example, are displayed when the electronic phone book isopened. When the user of the folding cellular phone device 200identifies the group via the key operating portion 17, a plurality ofphotos 303 of member's faces registered in the group (photos of ninepersons in FIG. 3) are displayed in a thumbnail fashion as a list. Whenthe user identifies one member by using the key operating portion 17,the photo 304 of member's face, the phone number 305, and the mailaddress 306 of the identified member are displayed largely. Since“phone” and “mail” are displayed at the bottom of the screen as softkeys, the call issuing operation or the mail sending operation isstarted by pressing the corresponding button of the key operatingportion 17, or the like.

The control operations taken when the phone call is made by using theelectronic phone book containing the image data like the transitiondiagram in FIG. 3 are shown as a flowchart in FIG. 4. When the user ofthe folding cellular phone device 200 inputs the phone book searchingmode starting signal from the key operating portion 17, the overallcontrolling unit 18 sends out the starting signal of the phone booksearch mode operation to the image processing controlling unit 241 (Step101). The image processing controlling unit 241 reads the groupinformation from the storing unit 25 and then displays representativeimages of the group as a list (Step 102). When the user identified thegroup via the key operating portion 17 (Step 103), the image processingcontrolling unit 241 sorts the members in the identified group in orderof higher frequency such as a call outgoing frequency or a call incomingfrequency utilized in the communication, then reads images of themembers (photos of member's faces), which can be displayed as a list,from the storing unit 25 and then displays them as a list (Step 104).When the user identified the member on which the phone call is to bemade via the key operating portion 17 (Step 105), the information aboutthe image (photo of the face), the phone number, and the mail address ofthe identified member are displayed (Step 106). Then, a phone button anda mail button are displayed on the display screen to call upon the userto choose one of them. Then, either the call issuing operation or themail sending operation is started. If the user inputs the call issuingor the mail sending (Step 107), the image processing controlling unit241 transfers the phone number or the mail address from the storing unit25 to the overall controlling unit 18 (Step 108). The overallcontrolling unit 18 sends out the operation indicating signal, whichcalls the transferred phone number or sends the mail to the phone, tothe radio controlling unit 190 in response to this operation. Then, theradio controlling unit 190 is caused to make the phone call based on thecall issuing indicating signal issued to the phone number. Also, themail sending operation is started based on the mail sending indicatingsignal (Step 109).

Here, all the operations in step 101 to step 107 are executed in thesecond casing 23. Even though the image processing controlling unit 241reads a large number of image data from the storing unit 25 and thesends out the image data to the displaying unit 201 to display-theimages as a list, the image data are not output to the flexible board 16between the first casing and the second casing. Therefore, theelectromagnetic wave is never radiated from the flexible board 16.

Embodiment 2

A folding cellular phone device 300 according to a second embodiment ofthe present invention will be explained hereunder. FIG. 5 is a schematicblock diagram of the folding cellular phone device 300 according to thesecond embodiment of the present invention. In FIG. 5, in the foldingcellular phone device 300, a first storing unit 251 in which the imagedata can be stored is connected to the overall controlling unit 18. Thisfirst storing unit 251 is a memory unit to save temporarily the imagedata when the image data are to be transmitted/received via a radio.Then, a second storing unit 252 is provided to the second casing 23. Thesecond storing unit 252 fulfills the same role as the storing unit 25 inthe folding cellular phone device 200 according to the first embodimentof the present invention. Other configurations are similar to those inthe folding cellular phone device 200 according to the first embodimentof the present invention that have already be explained in FIG. 1, andtherefore their explanation will be omitted herein by affixing the samereference numerals to the same portions.

In the folding cellular phone device 300 according to the secondembodiment of the present invention, the case where the image picked upby the camera portion 24 is transmitted via a radio will be explainedhereunder.

The operations taken to transmit the image picked up by the cameraportion 24 via a radio by using the folding cellular phone device 300are shown as a flowchart in FIG. 6. In FIG. 6, when the user of thefolding cellular phone device 300 inputs the camera mode starting signalfrom the key operating portion 17 (Step 201), a power supply of thecamera portion 24 is turned ON (Step 202). Then, the image data pickedup by the camera portion 24 are sent out to the image processingcontrolling unit 241 and are subjected to the image processing, and thenmonitor-displayed on the displaying unit 201 as a moving picture (Step203). When the shutter button on the key operating portion 17 is pressedduring the monitor display (Step 204), the image data captured when thebutton is pressed are stored in the second storing unit 252 (Step 205).Then, the picked-up image is displayed on the displaying unit 201, andalso the mail button is displayed on the image to decide whether or notthe mail should be sent. When the user of the folding cellular phonedevice 300 selected the mail sending (Step 206), the mail address inputscreen is displayed on the displaying unit, and then the device waits asit is until the image to be sent is identified among the picked-upimages (Step 207). When the mail address and the to-be-sent image of thedestination are identified, the overall controlling unit 18 acquiresintermittent receiving timings from the radio controlling unit 190, andthen transfers the mail address and the to-be-sent image from the secondstoring unit 252 to the first storing unit 251 at the timing out of thetimings at which the control signal is received intermittently from thebase station, in other words, at the timings at which the radiocommunication is not operated (Step 208). After this transfer, theoverall controlling unit 18 sends out the indicating signal to the radiocontrolling unit 190 to send the image data via the mail. The radiocontrolling unit 190 reads the mail address and the to-be-sent imagefrom the first storing unit 251 and then transmits them (Step 209). Whenthe mail sensing is ended, the display unit returns to the standbyscreen to receive the call (Step 210).

Here, the image data processing such as camera mode start, monitordisplay, image shooting, image storing in step 201 to step 207 areexecuted in the second casing 23. Therefore, the image data are neveroutput to the flexible board 16 between the first casing 22 and thesecond casing 23 and thus the electromagnetic wave is never radiatedfrom the flexible board 16.

Also, the transfer of the image data from the second storing unit 252 tothe first storing unit 251 is executed at the timings except theintermittent receiving timings of the control signal from the basestation. Therefore, even though the electromagnetic wave is generatedfrom the flexible board, the radio communicating unit 19 is not affectedby such electromagnetic wave. Since the image data are transmitted afterthe image data are captured on the first storing unit 251 in the firstcasing 22, the image data can be sent via the mail without the influenceof the electromagnetic wave caused in handling the image data.

In this case, when the image data are also received from other cellularphone device, the data are stored vain a stream from the antenna 193,the receiver portion 191, the radio controlling unit 190, the overallcontrolling unit 18, and the first storing unit 251 and then transferredto the second storing unit 252 at the timings at which the radiocommunication is not carried out. Therefore, the generation of theelectromagnetic wave from the flexible board 16 that connects the firstcasing 22 and the second casing 23 can be prevented.

Here, particular explanation to identify either the CCD camera or theCMOS camera as the camera portion is not given. The CCD camera has aconsumption power, and there are such advantages that the overall devicecan be downsized if such camera is formed together with the imageprocessing controlling unit, and the like. However, the type of thecamera portion in the present invention is not particularly limited ifsuch camera has an imaging function.

The present invention is explained in detail with reference toparticular embodiments. But it is apparent for the person skilled in theart that various variations and modifications may be applied withoutdeparting from the spirit and scope of the present invention.

This application was made based on Japanese Patent ApplicationNo.2002-370356 filed on Dec. 20, 2002, and its contents are incorporatedherein by the reference.

INDUSTRIAL APPLICABILITY

As described above, according to the present invention, the radiocommunicating unit and the overall controlling unit are provided to thefirst casing, and the camera portion, the image processing controllingunit, the displaying unit, and the storing unit are provided to thesecond casing, and the image data picked up by the camera portion areprocessed by the image processing controlling unit.

According to this, there can be achieved such an advantage that, eventhough the image data are being processed, such image data nevercommunicate between the first casing and the second casing and thus theelectromagnetic wave is never radiated from the flexible board thatconnects the first casing and the second casing.

Also, the first storing unit is provided to the first casing, the secondstoring unit is provided to the second casing, the data necessary forthe radio communication are transferred between the first storing unitand the second storing unit when the radio communication is not carriedout, and the radio communication is executed by reading the necessarydata from the first storing unit when the radio communication is carriedout.

According to this, there can be achieved such an advantage that, eventhough the radio communication with the image data is being executed,such image data never communicate between the first casing and thesecond casing and thus the electromagnetic wave is never radiated fromthe flexible board that connects the first casing and the second casing.

1. A folding cellular phone device, comprising: a first casing; and a second casing, which is supported on the first casing so as to be opened/closed, wherein a radio communicating unit and an overall controlling unit are provided in the first casing; wherein a camera portion, an image processing controlling unit, a displaying unit, and a storing unit are provided in the second casing; wherein the image processing controlling unit and the storing unit are connected to the overall controlling unit; wherein the camera portion, the displaying unit, and the storing unit are connected to the image processing controlling unit; and wherein the image processing controlling unit processes image data which is picked up by the camera portion.
 2. A folding cellular phone device, comprising: a first casing; and a second casing, which is supported on the first casing so as to be opened/closed, wherein a radio communicating unit, an overall controlling unit, and a first storing unit are provided in the first casing; wherein a camera portion, an image processing controlling unit, a displaying unit, and a second storing unit are provided in the second casing; wherein the image processing controlling unit, the first storing unit, and the second storing unit are connected to the overall controlling unit; wherein the camera portion, the displaying unit, and the second storing unit are connected to the image processing controlling unit; and wherein the image processing controlling unit processes image data which is picked up by the camera portion.
 3. The folding cellular phone device as set forth in claim 2, wherein data necessary for a radio communication is transferred between the first storing unit and the second storing unit when the radio communication is not carried out; and wherein the radio communication is executed by reading necessary data from the first storing unit when the radio communication is carried out. 